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Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Dalbergieae[1]
Genus: Acosmium
Acosmium distribution.svg
  Range of Acosmium cardenasii.
  Range of Acosmium lentiscifolium.
  Range of Acosmium diffusissimum.

Acosmium Schott is a South America genus of Leguminosae (Fabaceae). Three species are currently recognized.[2][3][4] Most Acosmium species have been recently transferred to Leptolobium[5] and one species to the South American Guianodendron[6] while the genus Acosmium itself has been transferred from the tribe Sophoreae to the tribe Dalbergieae [7] in a monophyletic clade informally known as the Pterocarpus clade.[1]


  1. ^ a b Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk B-E, Wojciechowskie MF, Lavin M (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot. 89: 58–75. doi:10.1016/j.sajb.2013.05.001. 
  2. ^ a b Rodrigues RS, de Azevedo Tozzi AM (2009). "Revisão taxonômica de Acosmium Schott (Leguminosae, Papilionoideae, Sophoreae)" [Taxonomic revision of Acosmium Schott (Leguminosae, Papilionoideae, Sophoreae)]. Acta Botanica Brasilica. 23 (1): 164–174. doi:10.1590/S0102-33062009000100020. 
  3. ^ Rodrigues RS, de Azevedo Tozzi AM (2007). "Morphological analysis and re-examination of the taxonomic circumscription of Acosmium (Leguminosae, Papilionoideae, Sophoreae)". Taxon. 56 (2): 439–452. JSTOR 25065799. 
  4. ^ Rodrigues RS, de Azevedo Tozzi AM (2008). "Systematic relevance of seedling morphology in Acosmium, Guianodendron, and Leptolobium (Leguminosae, Papilionoideae)". Brittonia. 60 (3): 287–296. doi:10.1007/s12228-008-9035-y. 
  5. ^ Rodrigues RS, de Azevedo Tozzi AM (2008). "Reinstatement of the name Leptolobium Vogel (Leguminosae, Papilionoideae, Sophoreae)". Taxon. 57 (3): 980–984. JSTOR 27756725. 
  6. ^ Rodrigues RS, de Azevedo Tozzi AM (2006). "Guianodendron, a new genus of Leguminosae from South America". Novon. 16 (1): 130–133. doi:10.3417/1055-3177(2006)16[129:GANGOL]2.0.CO;2. 
  7. ^ Cardoso D, de Lima HC, Rodrigues RS, de Queiroz LP, Pennington RT, Lavin M (2012). "The realignment of Acosmium sensu stricto with the Dalbergioid clade (Leguminosae: Papilionoideae) reveals a proneness for independent evolution of radial floral symmetry among early-branching papilionoid legumes". Taxon. 61 (5): 1057–1073. 

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